The NDA is one of many armed groups in Nigeria's southern Delta region. Conflict began with local unrest in the late 1990s. Armed groups entered the fray in 2003, headed by groups that included the Movement for the Emancipation of the Niger Delta (MEND). Growing violence led to a military response. President Yar’Adua established the Presidential Amnesty Program in 2009, which offered militants amnesty for crimes; education opportunities; cash payments for retired fighters; and lucrative...